SECHE ASSAINISSEMENT
In 2023, SECHE ASSAINISSEMENT signed €14M of contracts with the City of Paris (maximum amounts), mostly in diagnostics for project owners (construction, urban planning).
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Seche Assainissement
registered office in Change (53810) · headcount 200 to 249 employees · founded in 2020 · SIREN 890526056 · view on annuaire-entreprises.data.gouv.fr ↗
The contracts signed
Largest first.
Cleaning out and diagnosis of piped structures, Vincennes, lot 1signed on 21 Nov 2023€7MCleaning out and diagnosis of piped structures, Boulogne, lot 2signed on 21 Nov 2023€7MMaximum contract amounts: what the City paid the company, contract by contract, is not published. A shared lot shows the whole lot’s amount. Source: City of Paris, DECP.